These 3 equations are used to determine the scheduling priority if atask. Here there is no any complex detection of interactive task(O(1)failed on desktop because of the complex detection). O(1) did ahard-coding and kerp focusing on how to detect a whether the task isan interactive task or not.CFS is good with its beautiful design. But in my opinion i think thesleeper feature will destroy the beautiful design.

RIFS-ES adopt the design of System V scheduler.It can be interactive. On my box everything is very smopth Chen[unhandled content-type:application/octet-stream]